Beuli, U. K. (1982). Concept formation in children: Eco-cultural context. National Publishing House.
Chicago Style aipamenaBeuli, Updesh K. Concept Formation in Children: Eco-cultural Context. New Delhi: National Publishing House, 1982.
MLA aipamenaBeuli, Updesh K. Concept Formation in Children: Eco-cultural Context. National Publishing House, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.